Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung sat su slippers" » "duong sat su slippers", "dung dat su slippers", "dung sai su slippers", "dung sat su slippery", "dung sat su grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung sat su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung sat su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung sat su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung sat su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.